Finding the Fourth Proportional to 402,609.84, 603,973.08 and 149,869.32
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Solution
The fourth proportional to 402,609.84, 603,973.08 and 149,869.32 is: 224,825.69
Step by Step Solution
- Step 1: Write the proportion equation
402,609.84 : 603,973.08 = 149,869.32 : x - Step 2: Convert to fraction form
402,609.84/603,973.08 = 149,869.32/x - Step 3: Cross multiply
402,609.84x = 603,973.08 × 149,869.32 - Step 4: Simplify right side
402,609.84x = 90,517,034,797.91 - Step 5: Solve for x
x = 90,517,034,797.91/402,609.84 - Step 6: Final answer
x = 224,825.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.